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TW200936527A - Method for controlling mercury release during gypsum calcination - Google Patents

Method for controlling mercury release during gypsum calcination Download PDF

Info

Publication number
TW200936527A
TW200936527A TW097143168A TW97143168A TW200936527A TW 200936527 A TW200936527 A TW 200936527A TW 097143168 A TW097143168 A TW 097143168A TW 97143168 A TW97143168 A TW 97143168A TW 200936527 A TW200936527 A TW 200936527A
Authority
TW
Taiwan
Prior art keywords
mercury
gypsum
calcination
sorbent
stucco
Prior art date
Application number
TW097143168A
Other languages
English (en)
Chinese (zh)
Inventor
Wenqi Luan
Original Assignee
United States Gypsum Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Publication of TW200936527A publication Critical patent/TW200936527A/zh

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00Calcium sulfate cements
    • C04B11/26Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • C04B11/262Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke waste gypsum other than phosphogypsum
    • C04B11/264Gypsum from the desulfurisation of flue gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
TW097143168A 2007-11-09 2008-11-07 Method for controlling mercury release during gypsum calcination TW200936527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/937,844 US7507287B1 (en) 2007-11-09 2007-11-09 Activated carbon as mercury release control agent in gypsum calcination

Publications (1)

Publication Number Publication Date
TW200936527A true TW200936527A (en) 2009-09-01

Family

ID=40457130

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097143168A TW200936527A (en) 2007-11-09 2008-11-07 Method for controlling mercury release during gypsum calcination

Country Status (12)

Country Link
US (1) US7507287B1 (fr)
EP (1) EP2217543A4 (fr)
JP (1) JP2011504160A (fr)
CN (1) CN101883743A (fr)
AR (1) AR069227A1 (fr)
BR (1) BRPI0817383A2 (fr)
CA (1) CA2702631C (fr)
CL (1) CL2008003320A1 (fr)
CO (1) CO6280524A2 (fr)
RU (1) RU2010115238A (fr)
TW (1) TW200936527A (fr)
WO (1) WO2009061675A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102515679A (zh) * 2011-12-06 2012-06-27 梁艺翰 环保节能型活性炭化轻质墙体材料及其生产方法和应用
US8480983B1 (en) * 2012-03-15 2013-07-09 Alstom Technology Ltd Mercury capture system and method for a wet flue gas desulfurization system
WO2018044508A1 (fr) 2016-09-01 2018-03-08 Ecolab Usa Inc. Additif de gypse pour réguler le mercure
CN108159870B (zh) * 2018-01-22 2021-10-12 上海大学 利用高炉矿渣改良的脱硫剂对燃煤烟气中汞的富集及稳定的方法
AU2019262648B2 (en) 2018-05-04 2024-09-19 Albemarle Corporation Processes for reducing environmental availability of environmental pollutants

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533528A (en) 1983-07-15 1985-08-06 United States Gypsum Company Process for continuously calcining gypsum to low dispersed consistency stucco
DE4317756A1 (de) * 1993-05-28 1995-01-12 Krc Umwelttechnik Gmbh Verfahren zur Reinigung von mit Quecksilber belasteten Rauchgasen insbesondere aus Klärschlammverbrennungsanlagen
US5558710A (en) 1994-08-08 1996-09-24 Usg Interiors, Inc. Gypsum/cellulosic fiber acoustical tile composition
DE4441090A1 (de) * 1994-11-18 1996-05-23 Steag Ag Verfahren und Vorrichtung zum Reinigen von Verbrennungsabgasen
DE19708907C1 (de) 1997-03-05 1998-04-16 Gfr Aufbereitung Reststoffe Verfahren zur stofflichen Verwertung von mit organischem Material verunreinigtem Gips und seine Verwendung
US5827352A (en) 1997-04-16 1998-10-27 Electric Power Research Institute, Inc. Method for removing mercury from a gas stream and apparatus for same
US6855859B2 (en) 1999-03-31 2005-02-15 The Babcock & Wilcox Company Method for controlling elemental mercury emissions
US6719828B1 (en) 2001-04-30 2004-04-13 John S. Lovell High capacity regenerable sorbent for removal of mercury from flue gas
US7048781B1 (en) 2002-10-07 2006-05-23 Ada Technologies, Inc. Chemically-impregnated silicate agents for mercury control
US20030206843A1 (en) * 2002-05-06 2003-11-06 Nelson Sidney G. Methods and compositions to sequester combustion-gas mercury in fly ash and concrete
US20040033184A1 (en) 2002-08-15 2004-02-19 Ernest Greer Removing carbon from fly ash
US7247285B2 (en) * 2002-12-02 2007-07-24 Bert Zauderer Reduction of sulfur, nitrogen oxides and volatile trace metals from combustion in furnaces and boilers
US20040180788A1 (en) 2003-03-10 2004-09-16 Nasrin R. Khalili Synthesizing carbon-based adsorbents for mercury removal
WO2004080574A1 (fr) 2003-03-12 2004-09-23 F.L. Smidth Airtech A/S Systeme et procede d'elimination de mercure dans des gaz
US6895875B1 (en) 2003-11-18 2005-05-24 General Electric Company Mercury reduction system and method in combustion flue gas using staging
CN101695621A (zh) 2004-04-29 2010-04-21 索鲁科普工业有限公司 空气污染控制
US7249564B2 (en) 2004-06-14 2007-07-31 General Electric Company Method and apparatus for utilization of partially gasified coal for mercury removal
US7276217B2 (en) 2004-08-16 2007-10-02 Premier Chemicals, Llc Reduction of coal-fired combustion emissions
US20060198777A1 (en) 2005-03-03 2006-09-07 Cross Joseph B Mercury removal sorbent
US20060205592A1 (en) 2005-03-14 2006-09-14 Chien-Chung Chao Catalytic adsorbents for mercury removal from flue gas and methods of manufacture therefor
US7758827B2 (en) 2005-03-17 2010-07-20 Nox Ii, Ltd. Reducing mercury emissions from the burning of coal
EP1872054B2 (fr) * 2005-03-17 2022-04-13 Nox II International, Ltd. Reduction des emissions de mercure emanant de la combustion de charbon
US7615101B2 (en) 2005-09-07 2009-11-10 Energy & Environmental Research Foundation High energy dissociation for mercury control systems
WO2007044576A1 (fr) * 2005-10-07 2007-04-19 Steward Environmental Solutions, Llc Procede destine au retrait d'un agent, dans lequel est utilise un support magnetique
US20070092418A1 (en) * 2005-10-17 2007-04-26 Chemical Products Corporation Sorbents for Removal of Mercury from Flue Gas
JP4928786B2 (ja) * 2006-01-11 2012-05-09 三菱重工業株式会社 水銀固定化方法およびこれを用いた石膏生産方法、並びに水銀固定化装置およびこれを用いた排煙脱硫システム
WO2008008897A2 (fr) * 2006-07-12 2008-01-17 Steward Environmental Solutions, Llc Procédé et système pour éliminer un agent d'une phase liquide

Also Published As

Publication number Publication date
RU2010115238A (ru) 2011-12-20
CL2008003320A1 (es) 2009-11-27
CO6280524A2 (es) 2011-05-20
EP2217543A4 (fr) 2011-10-05
CN101883743A (zh) 2010-11-10
EP2217543A1 (fr) 2010-08-18
CA2702631A1 (fr) 2009-05-14
WO2009061675A1 (fr) 2009-05-14
AR069227A1 (es) 2010-01-06
JP2011504160A (ja) 2011-02-03
CA2702631C (fr) 2016-06-07
BRPI0817383A2 (pt) 2018-06-12
US7507287B1 (en) 2009-03-24

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